Happiness

Happiness of the population influences production and income of buildings. Enthusiastic population will provide the city with +20% coin boost and supply boost. Players should aim to keep the population enthusiastic and not let the happiness fall below the demand, since it will give a negative 50% penalty to all coin and supply productions. Happiness does not affect the production of goods buildings.

Happiness Calculations

The following values are relevant in calculating productivity percentage:

• Demand for happiness is equal to city's total population.
• Provided happiness is equal to the sum of happiness for all buildings in the city.
• Happiness ratio is calculated by dividing the provided happiness with the demand for happiness.

The table below outlines how the happiness ratio affects the productivity of buildings:

Happiness Ratio	Population Mood	Productivity
Above 1.4	Enthusiastic	120 %
Between 1.0 and 1.4	Content	100 %
Below 1.0	Angry	50 %

• Additional Happiness is equal to the amount of happiness remaining over enthusiastic status.

Gaining Happiness

In order to increase happiness, players need to build cultural buildings or decorations. As space becomes limited, upgrading roads is a good way to increase happiness without losing valuable space. The initial investment may seem high, but the efficiency bonus makes up for it in the long term.

Most buildings that provide happiness can be polished by friends, guildmates or neighbors to receive a multiplied bonus of happiness. Players should have many friends available to receive the bonus. It is good practice to aid the friends' buildings first.

Although cultural buildings, decorations and roads are the main source of happiness for most of players, a lot of players gain most of their happiness from special buildings or Great Buildings.

Many of the special buildings provide more happiness per tile than cultural buildings or decorations from the same era. Often those buildings have a secondary benefit as well, for example coin production.

Below is the list of Great Buildings that provide happiness:

Building		Happiness
	Oracle of Delphi	Provides 300 happiness at level 1 and 1,700 happiness at level 10. After level 10 additional happiness is gained with each level.
	Colosseum	Provides 1,100 happiness at level 1 and 4,000 happiness at level 10. After level 10 additional happiness is gained with each level.
	Hagia Sophia	Provides 1,700 happiness at level 1 and 6,400 happiness at level 10. After level 10 additional happiness is gained with each level.
	Notre Dame	Provides 1,100 happiness at level 1 and 3,900 happiness at level 10. After level 10 additional happiness is gained with each level.
	Frauenkirche of Dresden	Provides 1,500 happiness at level 1 and 4,900 happiness at level 10. After level 10 additional happiness is gained with each level.
	Alcatraz	Provides 2,700 happiness at level 1 and 11,300 happiness at level 10. After level 10 additional happiness is gained with each level.
	Space Needle	Provides 1,200 happiness at level 1 and 4,800 happiness at level 10. After level 10 additional happiness is gained with each level.
	Atomium	Provides 2,400 happiness at level 1 and 9,700 happiness at level 10. After level 10 additional happiness is gained with each level.
	Lotus Temple	Provides 2,400 happiness at level 1 and 10,000 happiness at level 10. After level 10 additional happiness is gained with each level.
	Gaea Statue	Provides 4,000 happiness at level 1 and 12,300 happiness at level 10. After level 10 additional happiness is gained with each level.

Buildings That Affect Happiness

• Production buildings from the Postmodern Era and onward might affect the happiness of the city. Some production buildings increase the happiness while others lower the overall happiness.
• Goods buildings from the Contemporary Era and onward might affect the happiness of the city in the same manner as previously mentioned production buildings do.
• Special buildings are often a good way to increase happiness, however there are some that lower the happiness of the city. For example the Haunted House.

Enthusiasm Boost

Players are able to buy boost from the Friends Tavern that will make the population enthusiastic for a certain amount of time even when the player does not reach the demand for happiness.

Item	Duration	Cost
	4:00:00	3,500
	12:00:00	8,000
	24:00:00	14,000

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